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SAFETY PREVENT PARTS FROM FLYING  Grease in the track adjuster is under high pressure.

Failure to follow the precautions below may result in serious injury, blindness, or death. • Do not attempt to remove GREASE FITTING or VALVE ASSEMBLY. • As pieces may fly off, be sure to keep body and face away from valve.  Travel reduction gears are under pressure. • As pieces may fly off, be sure to keep body and face away from AIR RELEASE PLUG to avoid injury. GEAR OIL is hot. • Wait for GEAR OIL to cool, then gradually loosen AIR RELEASE PLUG to release pressure.

SA-344

503-E01B-0344

STORE ATTACHMENTS SAFELY  Stored attachments such as buckets, hydraulic

hammers, and blades can fall and cause serious injury or death. • Securely store attachments and implements to prevent falling. Keep children and bystanders away from storage areas.

504-E01A-0034

SA-034

USE TOOLS PROPERLY  Use tools appropriate for the work to be done. • Makeshift tools, parts, and procedures can create safety hazards.

• For loosening and tightening hardware, use the correct size tools to avoid injury caused by slipping wrenches. • Use only recommended replacement parts. (See the parts catalog.)

S522-E01A-0040

SA-21

SA-040

Hitachi zaxis 250lcn excavator service repair manual  
Hitachi zaxis 250lcn excavator service repair manual  
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